21733366422 has 8 divisors (see below), whose sum is σ = 43466732856. Its totient is φ = 7244455472.

The previous prime is 21733366393. The next prime is 21733366427. The reversal of 21733366422 is 22466333712.

It is a sphenic number, since it is the product of 3 distinct primes.

21733366422 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21733366427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1811113863 + ... + 1811113874.

It is an arithmetic number, because the mean of its divisors is an integer number (5433341607).

Almost surely, 2^21733366422 is an apocalyptic number.

21733366422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21733366422 is a wasteful number, since it uses less digits than its factorization.

21733366422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622227742.

The product of its digits is 217728, while the sum is 39.

The spelling of 21733366422 in words is "twenty-one billion, seven hundred thirty-three million, three hundred sixty-six thousand, four hundred twenty-two".